US 12,441,660 B2
Dielectric material and multilayer ceramic electronic component including the same
Jae Sung Park, Suwon-si (KR); Hee Sun Chun, Suwon-si (KR); In Tae Seo, Suwon-si (KR); Hyung Joon Jeon, Suwon-si (KR); Chung Eun Lee, Suwon-si (KR); and Jong Han Kim, Suwon-si (KR)
Assigned to SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si (KR)
Filed on Nov. 10, 2021, as Appl. No. 17/523,249.
Claims priority of application No. 10-2020-0189832 (KR), filed on Dec. 31, 2020.
Prior Publication US 2022/0204407 A1, Jun. 30, 2022
Int. Cl. B32B 15/04 (2006.01); B32B 17/06 (2006.01); C04B 35/468 (2006.01); H01C 1/148 (2006.01); H01C 7/00 (2006.01); H01C 7/10 (2006.01); H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01G 4/12 (2006.01); H01G 4/232 (2006.01); H01G 4/248 (2006.01); H01G 4/30 (2006.01); H10N 30/87 (2023.01)
CPC C04B 35/4682 (2013.01) [H01C 1/148 (2013.01); H01C 7/008 (2013.01); H01C 7/10 (2013.01); H01F 27/2804 (2013.01); H01F 27/29 (2013.01); H01G 4/1227 (2013.01); H01G 4/232 (2013.01); H01G 4/248 (2013.01); H01G 4/30 (2013.01); H10N 30/87 (2023.02); C04B 2235/401 (2013.01); C04B 2235/428 (2013.01); C04B 2235/781 (2013.01); C04B 2235/785 (2013.01); C04B 2235/85 (2013.01); H01F 2027/2809 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A dielectric material comprising:
a main component represented by (Ba1-xCax)(Ti1-y(Zr, Sn, Hf)y)O3 (0≤x≤1 and 0≤y≤0.5);
a first subcomponent including at least one of elements among Y, Dy, Ho, Er, Gd, Ce, Nd, Sm, Nb, Tb, Eu, Tm, La, Lu, or Yb;
a second subcomponent including Si and/or Al; and
a third subcomponent including Ba and/or Ca,
wherein at least two of the Relational Expressions 1, 2, 3 or 4 below are satisfied, and at least one of the Relational Expressions 5 or 6 below is satisfied:
0.162≤MTb/MDy≤1.20  [Relational Expression 1]
0.176≤MGd/MDy≤0.60  [Relational Expression 2]
0.081≤MSm/MDy≤0.176  [Relational Expression 3]
0.081≤MNb/MDy≤0.176  [Relational Expression 4]
0.60≤M2/M1≤1.36  [Relational Expression 5]
0.263≤M3/M2≤0.455,  [Relational Expression 6],
wherein, in Relational Expressions 1 to 4, MTb, MDy, MGd, MSm and MNb are the numbers of moles of Tb, Dy, Gd, Sm, and Nb of the first subcomponent with respect to 100 moles which is a sum of B site elements of the main component, respectively, and in Relational Expressions 5 and 6, M1 is a total number of moles of the first subcomponent with respect to 100 moles of Ti of the main component, M2 is a total number of moles of the second subcomponent with respect to 100 moles of Ti of the main component, and M3 is a total number of moles of the third subcomponent with respect to 100 moles which is the sum of the B site elements of the main component.